Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466215 | Method of using a carpal tunnel protection device | Ivan E. Brown, Douglas Brown | 1995-11-14 |
| 4875552 | Modular elevator cab construction | Stephen W. Smith, Gilbert E. Londeen | 1989-10-24 |
| 4875553 | Modular elevator cab construction | Stephen W. Smith, Gilbert E. Londeen | 1989-10-24 |
| 4779707 | Modular elevator cab construction | Stephen W. Smith, Gilbert E. Londeen | 1988-10-25 |